Google: Fetch & Render Preview Not Used In Search

If you thought Google uses the preview you see in the fetch and render for search purposes, you would be wrong. Google's John Mueller said on Twitter that the fetch and render preview image is just for you to see what Google sees but it is not used for search.

Here is the tweet:

The preview thumbnail in the console is just to make things easier for you, it's not used for search. I'd use Fetch & Render to check.